Q 14

A procedure used for finding the equation of a straight line that provides the best approximation for the relationship between the independent and dependent variables is the
A)correlation analysis
B)mean squares method
C)least squares method
D)most squares method

Q 15

Application of the least squares method results in values of the y intercept and the slope that minimizes the sum of the squared deviations between the
A)observed values of the independent variable and the predicted values of the independent variable
B)actual values of the independent variable and predicted values of the dependent variable
C)observed values of the dependent variable and the predicted values of the dependent variable
D)None of these answers is correct.

Q 16

A least squares regression line
A)may be used to predict a value of y if the corresponding x value is given
B)implies a cause-effect relationship between x and y
C)can only be determined if a good linear relationship exists between x and y
D)All of these answers are correct.